215545670

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{3947}}^1$

素因数の和:4124

約数の個数: 32

約数和(自身を含む): 400232448

約数和(自身を除く): 184686778

約数列:

[1, 2, 5, 10, 43, 86, 127, 215, 254, 430, 635, 1270, 3947, 5461, 7894, 10922, 19735, 27305, 39470, 54610, 169721, 339442, 501269, 848605, 1002538, 1697210, 2506345, 5012690, 21554567, 43109134, 107772835, 215545670]

約数ペア:

[(1, 215545670), (2, 107772835), (5, 43109134), (10, 21554567), (43, 5012690), (86, 2506345), (127, 1697210), (215, 1002538), (254, 848605), (430, 501269), (635, 339442), (1270, 169721), (3947, 54610), (5461, 39470), (7894, 27305), (10922, 19735)]